Received: 14 May 2019
Accepted: 23 January 2020
First Online: 22 February 2020
Ethics approval and consent to participate
: The Ethics Committee of Saveh University of Medical Sciences approved the study protocol (IR.SAVEHUMS.REC139512, approved on 11 January 2015). Furthermore, participation was voluntary, and participants were fully debriefed about the aims and objectives of the study and signed the informed written consent form.
: Not applicable
: The authors declare that they have no competing interests.